Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
100447Factored
FactorDigitsBitsDate
7053227624811239.4old
108334634322736071753.32010-01-28 13:52:39
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000274 / 1566
Estimated T-Level: 30.9 ⓘ
TF below 2^98 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver Kruse16EBCF848BE3AA8B2013
Verified2017-09-22Oliver Kruse16EBCF848BE3AA8B2013
Verified2017-11-06kkmrkkblmbrbk16EBCF848BE3AA8B21163513
Verified2020-04-17Oliver Kruse192F1D52B3F0C88425590953
Verified2022-04-15LordJulius192F1D52B3F0C88424735653
History
DateUserTypeResult
2022-10-13LordJuliusNF
no factor from 2^66 to 2^67
2022-10-13LordJuliusNF
no factor from 2^65 to 2^66
2022-10-13LordJuliusNF
no factor from 2^64 to 2^65
2022-04-15LordJuliusC-PRP
M100447/705322762481/10833463432273607 : 192F1D52B3F0C884
PRP: Verified
PRP without proof (small exponent)
2022-04-09LordJuliusNF
no factor from 2^63 to 2^64
2022-04-09LordJuliusNF
no factor from 2^62 to 2^63
2022-04-09LordJuliusNF
no factor from 2^61 to 2^62
2022-04-09LordJuliusNF
no factor from 2^60 to 2^61
2022-04-09LordJuliusNF
no factor from 2^59 to 2^60
2022-04-09LordJuliusNF
no factor from 2^58 to 2^59
2022-04-09LordJuliusNF
no factor from 2^57 to 2^58
2021-12-19Seth_TrNF-PM1
B1=1000000000, B2=6734439121410
2020-04-17Oliver KruseC-PRP
M100447/705322762481/10833463432273607 : 192F1D52B3F0C884
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M100447/705322762481/10833463432273607 : 16EBCF848BE3AA8B
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M100447/705322762481/10833463432273607 : 16EBCF848BE3AA8B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M100447/705322762481/10833463432273607 : 16EBCF848BE3AA8B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M100447/705322762481/10833463432273607 : 16EBCF848BE3AA8B
PRP without proof (not generated)
2016-10-31kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2010-01-28Rob_DeeF-ECM
Factor: 10833463432273607